No abstract available
MeSH terms
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Adolescent
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Child
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Child, Preschool
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Humans
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Microbial Sensitivity Tests
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Pharyngitis / diagnosis*
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Pharyngitis / epidemiology
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Pharyngitis / microbiology*
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Streptococcal Infections / diagnosis*
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Streptococcal Infections / epidemiology
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Streptococcal Infections / microbiology
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Streptococcus pyogenes* / isolation & purification